A 269-278 GHz voltage-controlled oscillator with uniform output power of 5 dBm

Seung Ho Choi, Changhwan Yi, Moonil Kim

Research output: Contribution to journalArticle

Abstract

A terahertz oscillator design with an emphasis on the output power performance is presented. The 270-GHz oscillator fabricated using InP 250-nm DHBT technology adopts a common-base cross-coupled configuration. The design focus is on the input varactor termination by utilizing simulated power and frequency load-pull contours. The measurement results show an improved peak output power of 5.8 dBm with an outstanding power variation of only 0.8 dB while maintaining moderate frequency-tuning range of 269-278 GHz.

Original languageEnglish
JournalMicrowave and Optical Technology Letters
DOIs
Publication statusPublished - 2019 Jan 1

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voltage controlled oscillators
Variable frequency oscillators
oscillators
varactor diodes
Varactors
output
Tuning
tuning
configurations
5,5'-dihydroxy-4,4'-bitryptamine

Keywords

  • millimeter-wave oscillator
  • MMIC
  • voltage-controlled oscillator

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

A 269-278 GHz voltage-controlled oscillator with uniform output power of 5 dBm. / Choi, Seung Ho; Yi, Changhwan; Kim, Moonil.

In: Microwave and Optical Technology Letters, 01.01.2019.

Research output: Contribution to journalArticle

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AB - A terahertz oscillator design with an emphasis on the output power performance is presented. The 270-GHz oscillator fabricated using InP 250-nm DHBT technology adopts a common-base cross-coupled configuration. The design focus is on the input varactor termination by utilizing simulated power and frequency load-pull contours. The measurement results show an improved peak output power of 5.8 dBm with an outstanding power variation of only 0.8 dB while maintaining moderate frequency-tuning range of 269-278 GHz.

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